Home / 27,915.09-38,523.65-15,982.26

Finding the Fourth Proportional to 27,915.09, 38,523.65 and 15,982.26

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Solution

The fourth proportional to 27,915.09, 38,523.65 and 15,982.26 is: 22,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.09 : 38,523.65 = 15,982.26 : x
  2. Step 2: Convert to fraction form
    27,915.09/38,523.65 = 15,982.26/x
  3. Step 3: Cross multiply
    27,915.09x = 38,523.65 × 15,982.26
  4. Step 4: Simplify right side
    27,915.09x = 615,694,910.54
  5. Step 5: Solve for x
    x = 615,694,910.54/27,915.09
  6. Step 6: Final answer
    x = 22,055.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.